org.bouncycastle.asn1.ocsp.CertID.java Source code

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Here is the source code for org.bouncycastle.asn1.ocsp.CertID.java

Source

package org.bouncycastle.asn1.ocsp;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;

public class CertID extends ASN1Object {
    AlgorithmIdentifier hashAlgorithm;
    ASN1OctetString issuerNameHash;
    ASN1OctetString issuerKeyHash;
    ASN1Integer serialNumber;

    public CertID(AlgorithmIdentifier hashAlgorithm, ASN1OctetString issuerNameHash, ASN1OctetString issuerKeyHash,
            ASN1Integer serialNumber) {
        this.hashAlgorithm = hashAlgorithm;
        this.issuerNameHash = issuerNameHash;
        this.issuerKeyHash = issuerKeyHash;
        this.serialNumber = serialNumber;
    }

    private CertID(ASN1Sequence seq) {
        hashAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(0));
        issuerNameHash = (ASN1OctetString) seq.getObjectAt(1);
        issuerKeyHash = (ASN1OctetString) seq.getObjectAt(2);
        serialNumber = (ASN1Integer) seq.getObjectAt(3);
    }

    public static CertID getInstance(ASN1TaggedObject obj, boolean explicit) {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }

    public static CertID getInstance(Object obj) {
        if (obj instanceof CertID) {
            return (CertID) obj;
        } else if (obj != null) {
            return new CertID(ASN1Sequence.getInstance(obj));
        }

        return null;
    }

    public AlgorithmIdentifier getHashAlgorithm() {
        return hashAlgorithm;
    }

    public ASN1OctetString getIssuerNameHash() {
        return issuerNameHash;
    }

    public ASN1OctetString getIssuerKeyHash() {
        return issuerKeyHash;
    }

    public ASN1Integer getSerialNumber() {
        return serialNumber;
    }

    /**
     * Produce an object suitable for an ASN1OutputStream.
     * <pre>
     * CertID          ::=     SEQUENCE {
     *     hashAlgorithm       AlgorithmIdentifier,
     *     issuerNameHash      OCTET STRING, -- Hash of Issuer's DN
     *     issuerKeyHash       OCTET STRING, -- Hash of Issuers public key
     *     serialNumber        CertificateSerialNumber }
     * </pre>
     */
    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector v = new ASN1EncodableVector(4);

        v.add(hashAlgorithm);
        v.add(issuerNameHash);
        v.add(issuerKeyHash);
        v.add(serialNumber);

        return new DERSequence(v);
    }
}